Difference between revisions of "Crystals and Polymers"

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  | label2 = Course Code | data2 = [[Crystals and Polymers|CPOL]]
 
  | label2 = Course Code | data2 = [[Crystals and Polymers|CPOL]]
 
  | label3 = Year Opened | data3 = 2004
 
  | label3 = Year Opened | data3 = 2004
  | label4 = Sites Offered | data4 = [[ALE]], [[CGV]], [[LOS]]
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  | label4 = Sites Offered | data4 = [[CGV]], [[LOS]]
  | label5 = Previously Offered | data5 = [[BRI]], [[EST]], [[LAJ]], [[SRF]]
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[https://web.archive.org/web/20040219112326/http://cty.jhu.edu:80/summer/employment/science.html#cpol From the CTY Course Catalog] (2004):
 
[https://web.archive.org/web/20040219112326/http://cty.jhu.edu:80/summer/employment/science.html#cpol From the CTY Course Catalog] (2004):
  
Have you ever wondered why cows can digest grass but humans can't? Why some plastic containers melt in a microwave oven but others don't? Why salt crystals are cubic shaped but ice crystals are hexagonal? Chemical structure provides the key for answering these questions. Of the 90 naturally occurring elements, only four carbon, hydrogen, oxygen and nitrogen comprise most of the thousands of materials we find in our daily lives. All that is different is the way these elements connect into tiny building blocks, and how those building blocks are arranged.
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Why do some plastic containers melt in the microwave while others don’t? What makes Silly Putty stretchy? How are packing peanuts made? Chemicals are key to answering these questions, and in this course, you’ll examine how their structure can determine the properties and behaviors of gems and polymers. Starting with the most basic building blocks, atoms, you’ll learn about ions and compounds, and grow crystals like salt and rock candy in the lab, marveling at how small changes in structures of gems can cause dramatic changes in shapes and colors. You’ll also synthesize slime or Silly Putty to investigate molecular chain length and cross-linking, isolate strawberry DNA and denature proteins to learn about biopolymers, and experiment with superabsorbent molecules like those used in diapers to research how different plastics are synthesized. By the end of the course, you’ll understand the chemistry behind many materials we use every day.
 
 
In this course, students examine the structural features of crystals and polymers to better understand their properties and behavior. Students begin by learning about metals, ionic solids, and composite materials such as orthodontic memory metal, discovering their features by building models of simple cubic unit cells. Students then investigate synthetic polymers and use models to help distinguish between addition polymers such as Teflon®, Styrofoam®, and Saran Wrap®, and condensation polymers such as nylon and polyester. The course culminates with a study of biomolecules, also known as natural polymers. They examine the structural differences between saturated and unsaturated fats, starch and cellulose carbohydrates, and hair and wool proteins. Geometric principles and spatial reasoning play an important role in this course.
 
 
 
 
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Latest revision as of 09:23, 22 March 2023

Crystals and Polymers
Science Course
Course CodeCPOL
Year Opened2004
Sites OfferedCGV, LOS
Previously OfferedALE, BRI, EST, LAJ, SRF
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Course Description

From the CTY Course Catalog (2004):

Why do some plastic containers melt in the microwave while others don’t? What makes Silly Putty stretchy? How are packing peanuts made? Chemicals are key to answering these questions, and in this course, you’ll examine how their structure can determine the properties and behaviors of gems and polymers. Starting with the most basic building blocks, atoms, you’ll learn about ions and compounds, and grow crystals like salt and rock candy in the lab, marveling at how small changes in structures of gems can cause dramatic changes in shapes and colors. You’ll also synthesize slime or Silly Putty to investigate molecular chain length and cross-linking, isolate strawberry DNA and denature proteins to learn about biopolymers, and experiment with superabsorbent molecules like those used in diapers to research how different plastics are synthesized. By the end of the course, you’ll understand the chemistry behind many materials we use every day.